summaryrefslogtreecommitdiff
path: root/drivers/usb/dwc3/dwc3-st.c
diff options
context:
space:
mode:
authorTrond Myklebust <trond.myklebust@primarydata.com>2016-07-24 12:51:10 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2016-07-24 12:51:10 -0400
commitdc05973b288a5226bb7e56afd6c2fa07560a907c (patch)
tree2e1eade8b6010ff4c844341fdeec9ee966d75ac7 /drivers/usb/dwc3/dwc3-st.c
parent297fae4d0bee5d683533f3324baf1b363e7b48bf (diff)
parente7bdea7750eb2a64aea4a08fa5c0a31719c8155d (diff)
Merge commit 'e7bdea7750eb'
Needed in order to work on top of pNFS changes in Linus' upstream kernel.
Diffstat (limited to 'drivers/usb/dwc3/dwc3-st.c')
-rw-r--r--drivers/usb/dwc3/dwc3-st.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c
index 5c0adb9c6fb2..50d6ae6f88bc 100644
--- a/drivers/usb/dwc3/dwc3-st.c
+++ b/drivers/usb/dwc3/dwc3-st.c
@@ -129,12 +129,18 @@ static int st_dwc3_drd_init(struct st_dwc3 *dwc3_data)
switch (dwc3_data->dr_mode) {
case USB_DR_MODE_PERIPHERAL:
- val &= ~(USB3_FORCE_VBUSVALID | USB3_DELAY_VBUSVALID
+ val &= ~(USB3_DELAY_VBUSVALID
| USB3_SEL_FORCE_OPMODE | USB3_FORCE_OPMODE(0x3)
| USB3_SEL_FORCE_DPPULLDOWN2 | USB3_FORCE_DPPULLDOWN2
| USB3_SEL_FORCE_DMPULLDOWN2 | USB3_FORCE_DMPULLDOWN2);
- val |= USB3_DEVICE_NOT_HOST;
+ /*
+ * USB3_PORT2_FORCE_VBUSVALID When '1' and when
+ * USB3_PORT2_DEVICE_NOT_HOST = 1, forces VBUSVLDEXT2 input
+ * of the pico PHY to 1.
+ */
+
+ val |= USB3_DEVICE_NOT_HOST | USB3_FORCE_VBUSVALID;
break;
case USB_DR_MODE_HOST: